Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 1 2 4 8 1 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means creation of residual magnetism by a DC source. None of these neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. creation of residual magnetism by a DC source. None of these neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC generator used for arc welding purpose is a cumulatively compounded generator shunt generator differentially compounded generator series generator cumulatively compounded generator shunt generator differentially compounded generator series generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 570 A. 440 A. 340 A. 250 A. 570 A. 440 A. 340 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 48 Hz 45 HZ 50 Hz 48.5 Hz 48 Hz 45 HZ 50 Hz 48.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between no load voltage and armature current short circuit current and armature current short circuit current and field current no load voltage and field current no load voltage and armature current short circuit current and armature current short circuit current and field current no load voltage and field current ANSWER DOWNLOAD EXAMIANS APP
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